Jake Locker's Adjusted Sack Rate as a rookie was 8.3%. Jake Locker's Adjusted Sack Rate in his second season was 8.2%. The league-averaged Adjusted Sack Rate in 2012 was 6.5%. Therefore, Jake Locker is one of those quarterbacks who tends to get sacked a lot, so we should expect Jake Locker's Adjusted Sack Rate in 2013 to be about 8.3%, right?
Well, it's complicated.
One of the things I did here last offseason was write about how the Titans, which meant mostly Matt Hasselbeck, were sacked in 2011. Sacks are rare events; per Football Outsiders charting data, less than one quarter of total pressures in 2012 (hurries, hits, and sacks) ended up with the quarterback on the ground with the ball and not gaining any yardage. Still, they happen and they're important, so they're worth taking a look at in greater detail.
Sacks seem to be mostly a function of the offense, which in fact means a function of the quarterback and perhaps the offensive system. When a team changes quarterb...